M41ST84YMH Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
M41ST84YMH Datasheet PDF : 31 Pages
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Figure 4. 16-pin SOIC Connections
XI
XO
RST
WDI
RSTIN
PFO
VBAT
VSS
1
16
2
15
3
14
4 M41ST84Y 13
5 M41ST84W 12
6
11
7
10
8
9
AI03678
VCC
NC
IRQ/FT/OUT
NC
PFI
SQW
SCL
SDA
Figure 6. Block Diagram
SDA
SCL
Crystal
WDI
VCC
I2C
INTERFACE
32KHz
OSCILLATOR
M41ST84Y, M41ST84W
Figure 5. 28-pin SOIC Connections
SQW
NC
NC
NC
NC
NC
NC
WDI
RSTIN
NC
NC
NC
PFO
VSS
1
28
2
27
3
26
4
25
5
24
6
23
7 M41ST84Y 22
8 M41ST84W 21
9
20
10
19
11
18
12
17
13
16
14
15
AI03679
VCC
NC
IRQ/FT/OUT
NC
NC
NC
PFI
NC
SCL
NC
RST
NC
SDA
NC
REAL TIME CLOCK
CALENDAR
44 BYTES
USER RAM
RTC w/ALARM AF
& CALIBRATION
WATCHDOG
WDF
SQUARE WAVE
IRQ/FT/OUT(1)
SQW
POWER
VBAT
RSTIN
PFI
1.25V
(Internal)
Note: 1. Open drain output
VBL= 2.5V COMPARE
BL
VSO = 2.5V COMPARE
VPFD = 4.4V COMPARE
(2.65V for ST84W)
POR
COMPARE
RST(1)
PFO
AI03931
5/31
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